104 



NOMOGRAPHIC SOLUTIONS FOR THE STANDARD CASE 



HEIGHT IN FT 

 23,000 



20,000 



COVERAGE CHART 



10,000 

 9000 

 8000 

 TOOO 

 6 000 

 5000 

 4 000 

 3 000 



2 000 



1000 

 500 



100 

 



SO 



75 



100 125 



thousand yards 



Figure 8 



225 



Table 2. Work sheet for coverage diagram calculations. 



db = 46 (MIT - 95 db) 

 <W = 3,000 



hi = 100 ft 



Y = 13.9 

 hif mc = 300,000 



